fix(console-ui): render binary invocation output safely

- decode UTF-8 responses in fatal mode and reject control-byte payloads
- fall back to hexadecimal output instead of replacement characters
- show response byte count, selected representation, automatic fallback, and latency
- preserve the existing counter u64 representation and cover the wiring in SSR tests

console/src/styles/app.css

@@ -1783,6 +1783,18 @@ button:disabled {
   justify-content: space-between;
 }
 
+.invoke-output-meta {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+.invoke-output-meta > span {
+  color: var(--ink-faint);
+  font-family: var(--font-geist-mono), monospace;
+  font-size: 8px;
+}
+
 .invoke-output small {
   display: flex;
   align-items: center;